Abdelrahman Said
74 lines
2.7 KiB
C
74 lines
2.7 KiB
C
/*
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igraph library.
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Copyright (C) 2022 The igraph development team <igraph@igraph.org>
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program. If not, see <https://www.gnu.org/licenses/>.
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*/
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#include <igraph.h>
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#include "test_utilities.h"
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int main(void) {
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igraph_t g;
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igraph_real_t cent;
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igraph_arpack_options_t arpack_options;
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igraph_star(&g, 10, IGRAPH_STAR_IN, /*center=*/ 0);
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igraph_centralization_degree(&g,
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/*res=*/ NULL,
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/*mode=*/ IGRAPH_IN, IGRAPH_NO_LOOPS,
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¢, /*theoretical_max=*/ NULL,
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/*normalized=*/ true);
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printf("in-star, degree: %g\n", cent);
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igraph_centralization_betweenness(&g, /*res=*/ NULL,
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IGRAPH_UNDIRECTED, ¢,
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/*theoretical_max=*/ NULL,
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/*normalized=*/ true);
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printf("in-star, betweenness: %g\n", cent);
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igraph_destroy(&g);
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igraph_star(&g, 10, IGRAPH_STAR_OUT, /*center=*/ 0);
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igraph_centralization_degree(&g, /*res=*/ NULL,
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/*mode=*/ IGRAPH_OUT, IGRAPH_NO_LOOPS,
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¢, /*theoretical_max=*/ NULL,
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/*normalized=*/ true);
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printf("out-star, degree: %g\n", cent);
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igraph_centralization_betweenness(&g, /*res=*/ NULL,
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IGRAPH_UNDIRECTED, ¢,
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/*theoretical_max=*/ NULL,
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/*normalized=*/ true);
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printf("out-star, betweenness: %g\n", cent);
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igraph_destroy(&g);
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igraph_small(&g, /*n=*/ 10, /*directed=*/ 0, 0, 1, -1);
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igraph_arpack_options_init(&arpack_options);
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igraph_centralization_eigenvector_centrality(
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&g,
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/*vector=*/ NULL,
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/*value=*/ NULL,
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/*mode=*/ IGRAPH_OUT,
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&arpack_options, ¢,
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/*theoretical_max=*/ NULL,
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/*normalized=*/ true);
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printf("dyad, eigenvector centrality, not scaled: %g\n", cent);
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igraph_destroy(&g);
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VERIFY_FINALLY_STACK();
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return 0;
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}
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